Utah State Senate District 15

State Legislative District Profile (Upper Chamber)

Overview

District ID
ut-sd-015
State
Utah
Chamber
Upper chamber (state senate)
District Code
015
Land Area
121.8 sq mi
Water Area
0.16 sq mi

Boundary

Boundary of Utah State Senate District 15

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Salt Lake County121.84 sq mi100.0%16.2%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Brighton town15.77 sq mi12.9%100.0%
Cottonwood Heights city7.92 sq mi6.5%85.9%
Sandy city6.94 sq mi5.7%28.6%
Midvale city5.91 sq mi4.9%100.0%
West Jordan city2.27 sq mi1.9%7.0%
Holladay city0.88 sq mi0.7%10.4%
White City metro township0.44 sq mi0.4%50.6%
South Jordan city0.16 sq mi0.1%0.6%

Showing all 8 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
UT District 385,05975.1%10.4%94.5%
UT District 428,18824.9%3.4%5.5%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
57,513
Active Voters
48,280 (83.9%)

Party Registration

PartyVotersShare
Democratic13,10322.8%
Republican20,55135.7%
Unaffiliated19,70934.3%
Other parties4,1507.2%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202620,154 (35.0%)0 (0.0%)0 (0.0%)
2023–202442,452 (73.8%)0 (0.0%)0 (0.0%)
2021–202231,318 (54.5%)0 (0.0%)0 (0.0%)
2019–202038,740 (67.4%)0 (0.0%)0 (0.0%)
2017–201829,655 (51.6%)0 (0.0%)0 (0.0%)
2015–201633,223 (57.8%)0 (0.0%)0 (0.0%)
2013–201419,655 (34.2%)0 (0.0%)0 (0.0%)
2011–201222,722 (39.5%)0 (0.0%)0 (0.0%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 01/19/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
110,811 (± 2,097)
Median Age
34.7
Median Household Income
$87,865 (± $3,135)
High School Graduate or Higher (age 25+)
93.9%
Bachelor's Degree or Higher (age 25+)
40.3%

Population by Age

GroupPeopleShare
Under 1825,49323.0%
18 to 6470,70963.8%
65 and over14,60913.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)17,53315.8%
White, not Hispanic79,12771.4%
Black, not Hispanic1,3291.2%
Asian, not Hispanic4,2913.9%
American Indian / Alaska Native, not Hispanic8060.7%
Native Hawaiian / Pacific Islander, not Hispanic1,1821.1%
Some other race, not Hispanic6480.6%
Two or more races, not Hispanic5,8955.3%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
103,980
Citizen Voting Age Population (CVAP)
79,509

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic90,51087.0%
Hispanic13,47013.0%
White79,53576.5%
Black1,2681.2%
Asian3,1403.0%
American Indian / Alaska Native8600.8%
Native Hawaiian / Pacific Islander1,1301.1%
Two or More Races1,0161.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic71,84390.4%
Hispanic7,6649.6%
White64,25580.8%
Black1,5471.9%
Asian3,4154.3%
American Indian / Alaska Native1,2881.6%
Native Hawaiian / Pacific Islander7370.9%
Two or More Races6000.8%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).